This paper reports the process of production and assessment of rigid polyurethane foam for synthetic bone surrogates. Synthetic bones are currently being used for orthopaedic surgical training and lower limb trauma evaluation. Previous studies have shown that synthetic bones made of rigid polyurethane are able to simulate bone’s mechanical response. In this study, two polyurethane formulations were tested under compression and impact conditions. Results of these tests were compared with data reported in current literature sources for cancellous bone tissue. Comparison between results and reported data, showed that none of the polyurethane foams produced had significant resemblance to cancellous bone properties. Improvements in terms of formulation and manufacturing procedures of polyurethane shall be made in order to acquire a higher mechanical performance.

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